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Dr. Spiegel has served as a director of the Company since September 2018. Dr. Spiegel has over 30 years of extensive R&D and operational experience in biopharmaceuticals, including large pharmaceutical and biotechnology companies, and academic startups as well as an advisor to venture capital and private equity funds. Dr. Spiegel has also served as a director of Athenex, Inc., a global biopharmaceutical company, since August 2020, of Geron Corp., a late-stage clinical biopharmaceutical company, since May 2010, and of Ayala Pharmaceuticals, Inc., a clinical-stage oncology company since December 2017. Dr. Spiegel was an Assistant Professor and Director of the Developmental Therapeutics Program at New York University Medical Center and then spent 25 years at Schering-Plough (subsequently acquired by Merck & Co.), where he joined as the first Director for Oncology Clinical Research. He subsequently held a series of senior executive positions, including Senior Vice President for Worldwide Clinical Research and Chief Medical Officer. During his time at Schering-Plough he led teams that took numerous drug candidates through clinical development and was involved with over 30 New Drug Application approvals by the U.S. FDA. For the last seven years, he has been a consultant to the biotech industry and has served on the Scientific Advisory Board and Board of Directors of multiple biotech companies. Dr. Spiegel received his B.A. from Yale University and his M.D. from the University of Pennsylvania. He completed his specialty training at the National Cancer Institute, National Institute of Health (NIH).